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The mining process oceanagold,the mining process at macraes is circular and follows a cycle of exploration, mining, processing and rehabilitation and closure. with a 30-year history of development spanning fluctuating gold prices, there are multiple examples of where an area has been explored, mined, processed and rehabilitated, only to be explored mined, processed and rehabilitated again to
the mining process at macraes is circular and follows a cycle of exploration, mining, processing and rehabilitation and closure. with a 30-year history of development spanning fluctuating gold prices, there are multiple examples of where an area has been explored, mined, processed and rehabilitated, only to be explored mined, processed and rehabilitated again to lihir gold limited process plant flowsheet ball mill sag mill cyclone pump ccd ccd To neutralization mill water To grinding overflow tank safety neutralization screen tank cyanidation autoclave feed pumps steam quench water autoclaves flash tank sea water quench tank venturi scrubber heat recoverytypical autoclave operating conditions for a refractory gold process are a temperature of 190 to and an oxygen over-pressure of 350 to 700 kpa the oxidation of sulphides are strongly exothermic reactions, and the pulp density of the feed to the autoclave is calculated based on the sulphide concentration in such aAn alternative to an autoclave is a roaster, a very high temperature oven that is often used instead of an autoclave if the ore to process contains a large amount of organic carbon. roasting uses heat and air to burn the organic carbon into fuel and to burn the sulfur off ore, which we heat to 932 to 1,202 degrees
